Canon Canon EF Telephoto Zoom

EF 75-300mm f/4-5.6 III USM

75-300mm
f/75.0
Telephoto Zoom
480 g
Min focus 1.5 m

Quick answer

The Canon EF 75-300mm f/4-5.6 III USM is a short telephoto to telephoto telephoto zoom lens covering 75-300mm at f/75.0 for the Canon EF mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

About this lens

Canon EF 75-300mm f/4-5.6 III USM: a telephoto zoom lens with a 75-300mm focal length and a maximum aperture of f/4-5.6, made for Canon EF mount cameras, with ultrasonic-motor autofocus. The range suits sports, wildlife, events and portraits.

Canon EF 75-300mm f/4-5.6 III USM specifications

Brand: Canon
Mount: Canon EF
Focal length: 75-300mm
Maximum aperture: f/75.0
Lens type: Telephoto Zoom
Format coverage: full-frame
Released: 1999
Optical construction: 13 elements in 9 groups
Aperture blades: 7
Autofocus motor: USM
Minimum focus distance: 1.5 m
Maximum magnification: 0.25x
Filter thread: 58 mm
Weight: 480 g
Length: 122 mm
Diameter: 71 mm

Specification source: global.canon

What can you shoot with the Canon EF 75-300mm f/4-5.6 III USM?

At 75-300mm this is a short telephoto to telephoto telephoto zoom, which typically suits:

Portraits with a flattering perspective
Events and weddings
Isolating subjects from the background
Sports and action
Wildlife and birds at moderate distance

Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	75–300mm	6.9–27°	8.2–32.2°
APS-C	1.6x	120–480mm	4.3–17.1°	5.2–20.4°

Try the field-of-view calculator

Frequently asked questions

What mount does the Canon EF 75-300mm f/4-5.6 III USM use?

It uses the Canon EF mount, so it fits Canon EF cameras directly.

What is the focal length of the Canon EF 75-300mm f/4-5.6 III USM?

It zooms across 75-300mm with a maximum aperture of f/75.0. That makes it a short telephoto to telephoto lens.

Is the Canon EF 75-300mm f/4-5.6 III USM a prime or a zoom lens?

It is a zoom lens covering 75-300mm, so you can reframe without moving. Its maximum aperture is f/75.0.

What is the Canon EF 75-300mm f/4-5.6 III USM equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 120–480mm on full frame, with a 4.3–17.1° horizontal and 5.2–20.4° diagonal field of view. These figures are calculated from the focal length and crop factor.